Ice pack



FIG. 1 is an isometric elevational view of an ice pack showing our new design;

FIG. 2 is a top view of the ice pack thereof;

FIG. 3 is a bottom view of the ice pack thereof;

FIG. 4 is a front view of the ice pack thereof;

FIG. 5 is a back view of the ice pack thereof; and,

FIG. 6 is a left side view of the ice pack thereof, the right side view being a mirror image. 

CLAIM The ornamental design for an ice pack, as shown and described. 